The document describes the design and implementation of a more uniform way of handling internal compiler
phases and external user supplied phases via plug-ins in the Scala compiler.
Links:
[1] http://www.scala-lang.org/sites/default/files/sids/nielsen/Thu, 2009-05-28, 08:13/compiler-phases-sid.pdf
[2] http://www.scala-lang.org/sites/default/files/nielsen/Thu, 2009-05-28, 08:14/compiler-phases-sid.tar_.gz